Question: please only answer question 4 3 Proofs a) Prove that if A is a regular language, AR is also regular. (15 points) 4 Extra Credit

please only answer question 4

3 Proofs a) Prove that if A is a regular language, AR is also regular. (15 points) 4 Extra Credit Suppose for languages A and B, define an operation A B in the following way: A#B = {ww = a baby...axbk where dida...E A and b1b2...bg B and Voziskai, b; } Example: (0000) # (1111) = 01010101 Prove that if A and B are regular, A#B is regular

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